Beta-hydroxy urethane low temperature curing agents
CA 1195798 A · Owner: Ppg Industries Ohio, Inc. · Inventors: Valko, Joseph T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ungelled curable composition comprising: (i) an active hydrogen-containing material, (ii) a beta-hydroxy urethane and, (iii) a cure catalyst. A method of providing n decorative or protective coating for substrates, particularly by electro-deposition is also described. The process comprises: (1) applying to the substrate 8 coating composition comprising: (a) a beta-hydroxy urethane (b) a cure catalyst, and optionally (c) an active hydrogencontaining material. The beta-hydroxy urethane has been found to be useful as a cross-linking agent for curable compositions particularly, coating compositions. Alternately the beta-hydroxy urethane can, be used as a self-crosslinkable material in …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.